Eliminate multi-battery drain when two or more battery banks are in a charging system.The Original, not an imitation! The Battery Isolator was 'invented' by Sure Power Industries in 1959!.Sure Power Industries is now owned by Eaton/Cooperbussman products may be labeled with their logos. They are more efficient and reliable then mechanical or solenoid systems, and have the reputation as the most comprehensive line of Battery Isolators on the market.įor optimum system performance it is recommended that a battery labeled 'Deep Cycle' be used in the auxiliary position. Specifically designed to exceed OEM Specifications, they are equipped with Solid-State Electronics, which isolate each battery circuit and allows each battery to discharge and charge according to its own needs. They perform as well or battery then existing factory installed components. Multi-Battery Isolators are used to eliminate multi-battery drain when two or more battery banks are in a charging system. Sure Power Multi-Battery Isolators are the original Battery Isolator, and still the best on the market. 702 Sure Power Battery Isolator 70 Amp | 1-Input, 2-Output | Multi-Battery Isolator | Group 1